Edgar Vivar (born December 28, 1944) is a Mexican actor/comedian who played Don Boni on Plaza Sésamo. Vivar studied acting at the Centro Universitario de Teatro in Mexico City, which led to his best known work, outside of Plaza Sésamo, working with popular comedian Roberto Gomez Bolanos, alias Chesperito, on the long running Mexican sitcom "El Chavo del Ocho," playing the dual roles of landlord Señor Barriga and the child Noño.